Which property justifies this statement?
2 answers:
The answer is B, because you need to divide 20 by 4 and you will get 5
The <em><u>correct answer</u></em> is:
B . Division Property of Equality
Explanation:
The original equation is 4x = 20. To solve this, we would cancel the 4. Since the variable, x, has been multiplied by 4, we cancel it by dividing:
4x/4 = 20/4
x = 5
This is the division property of equality; we can divide both sides of an equation by the same number and preserve equality.
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Answer:
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Step-by-step explanation:
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(4x2 - 2x) - (-5x2 - 8x)
= 4x2 - 2x + 5x2 + 8x.
= 4x2 + 5x2 - 2x + 8x.
= 9x2 + 6x.
= 3x(3x + 2).
Answer: 3x(3x + 2)